Stand back everybody! There's a crazy panda armed with a chainsaw looking to take down anyone who gets in her way! However don't stress too much, for all it'll take is a karaoke mic and some detah metal music for Retsuko to be back to her normal self.

Aquaman, who long ago lost contact with his people, must watch as armies emerge from the sea to attack the surface world. The Justice League answers the call to defend the shores from the invading Atlantean horde. But whose side is Aquaman on?